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temp slowly rises??

This is a discussion on temp slowly rises?? within the LT1 forums, part of the Vehicle Specific category; I just rebuilt my 97 lt1 lt 4 hot cam speed inc programmed my pcm 180 thermostat car runs super ...

  1. #1
    Junior Member blog78's Avatar
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    78 97 02 chevy camaro

    temp slowly rises??

    I just rebuilt my 97 lt1 lt 4 hot cam speed inc programmed my pcm 180 thermostat car runs super cool when driving stays at about 170 degrees all day while driving at a decent speed but if the car is at a standstill or in heavy traffic the temperature slowly rises has not gone above to 210 tho I have looked through everything and can't find nothing wrong I noticed my fans kick on at about 160 degrees and stay on unless I'm on the highway in the temperature will stay bellow

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    Moderator 35th-ANV-SS's Avatar
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    Have you checked the temp with an aftermarket gauge to verify or are you solely relying on the OEM temp gauge for a reading?

    Doesn't sound too alarming to me either way.
    It's on jackstands.

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    None Shall Pass Knight's Avatar
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    Agree with Jon. It sounds like your cooling system is working properly. If you're relying on the stock guage, it's more than likely not giving you a completely accurate reading.

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    Senior Member 5.0THIS's Avatar
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    The fans should be able to keep it fairly cool, even at a standstill. Is the water pump flowing like it should?

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    Junior Member blog78's Avatar
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    Forgot to mention the water pump is electric. Have never had the stock gage go over 220 but should it reach that with a 180 stat

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    Moderator 35th-ANV-SS's Avatar
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    I have a 160 stat and my car climbs to 220 sometimes on hot days when I'm idling in traffic. Usually drops back down to around 195 or so once I get moving again. I'm only running a single radiator fan though and not the dual fans. Mine runs hotter than it used to since the install of the FI set-up though.

    Coolant level is OK? Verified fans are coming on at the right temps?

    Again, I think you're OK. Just keep an eye on it for now. I'd also check, like mentioned, that the coolant is flowing like it should be.

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    Junior Member blog78's Avatar
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    Thanks Imma keep an eye on it. Coolant is flowin good fans are kickin on had the pcm programmed and it was programmed for the180 stat. I am just be used to my ls1 that stays at the same temp all day

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    My old lt1 had a nasty air bubble which caused it to shoot up to 220. Checknfor that man.

    Also realize those sensors fail like no other. Its 16 bucks for autozone

    Sent from my DROID BIONIC using Tapatalk 2

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    Former Mopar Man 2002ssslp's Avatar
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    Have you checked the radiator. If you have some buildup inside it may cause this problem while sitting.
    My ride is a 2002 Camaro SS SLP #3296 with 30k, LTH, 3" Y, CME, Frost tune, K&N, ported TB, Blackwing lid, Bellows, MSD, Denso Iridium, and 85mm MAF, Bilsteins, Eibach springs, SLP strut brace, Adj. Panhard, TA Girdle, UMI, Pro 5.0, Nitto NT555
    My wife has a 2004 GTO with the rare SAP, 18" wheels, K&N Cold Air System, MSD, Ported TB, Frost tune, Denso Iridium, Flowmaster cat-back, 3200 Yank, 75k

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    Senior Member 5.0THIS's Avatar
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    Quote Originally Posted by blog78 View Post
    Thanks Imma keep an eye on it. Coolant is flowin good fans are kickin on had the pcm programmed and it was programmed for the180 stat. I am just be used to my ls1 that stays at the same temp all day
    All engines will heat up when the car is at a standstill, LS1s included. LT1s have temp gauges that actually read more true, showing variations more closely as they happen.

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    Junior Member blog78's Avatar
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    All the sensors are new. I will check to see if there is any air in the system, i thought I bled it out but there might be more.

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    Junior Member blog78's Avatar
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    Found the prob.... on of the wires were crossed on one of my fans and ut was runnin backwards...

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    Senior Member 5.0THIS's Avatar
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    Wow thats a new one. So it was actually pulling nice hot engine bay air back through the radiator, and keeping fresh air from coming through it from the front at the same time. lolz. Glad you found the issue.

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    Junior Member blog78's Avatar
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    Quote Originally Posted by 5.0THIS View Post
    Wow thats a new one. So it was actually pulling nice hot engine bay air back through the radiator, and keeping fresh air from coming through it from the front at the same time. lolz. Glad you found the issue.
    Ya man this thing stays nice and cool mow even in 100 weather.

  15. #15
    Quote Originally Posted by blog78 View Post
    Found the prob.... on of the wires were crossed on one of my fans and ut was runnin backwards...
    wow, I too have never heard of this, but it is interesting.

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